Range practice
Shot 1 runs about 36 fps faster
21 chronograph strings from Oct 19, Oct 20, and Nov 7, 2026. Shot 1 averaged about 36 fps faster than the later shots in the same string.
Tag
Velocity
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Reloading
A fast first shot inflates velocity SD
The same 21 strings, with shot 1 kept in and taken out. Removing shot 1 lowers the within-string velocity SD for every powder listed.